阶式换热器阶式热交换器阶梯式换热器阶梯式热交换器cascade: n. 1.(陡岩落下的)瀑布;【园艺】人工瀑布。 2.瀑 ...heat exchanger: 热交换器。 heat exchanger; exchanger: 热交换器exchanger, heat: 热交换器heat accumulated type heat exchanger: 蓄热式换热器下载手机词典可随时随地查词查翻译